/* Reset and Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body, html {
    width: 100%;
    height: 100%;
    overflow: hidden;
    background-color: #000;
}

/* Colors based on TDG Group */
:root {
    --primary-color: #d4af37; /* Gold */
    --primary-dark: #b5952f;
    --bg-dark: rgba(10, 35, 66, 0.75); /* Dark Blue semi-transparent */
    --bg-darker: rgba(5, 20, 40, 0.9);
    --text-light: #ffffff;
    --glass-border: rgba(212, 175, 55, 0.3);
}

/* Background Image (Fake 360 viewer) */
.vr-background {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background-image: url('bg.jpg');
    background-size: cover;
    background-position: center;
    z-index: 1;
    transition: transform 0.5s ease;
}

/* UI Elements Container Layer */
.top-left-logo, .top-right-menu, .bottom-controls, .right-floating-panel, .thumbnails-container {
    position: absolute;
    z-index: 10;
}

/* Logo */
.top-left-logo {
    top: 25px;
    left: 25px;
    display: flex;
    align-items: center;
}

.top-left-logo img {
    height: 50px;
    object-fit: contain;
    filter: drop-shadow(0px 4px 6px rgba(0, 0, 0, 0.6)) drop-shadow(0px 0px 10px rgba(255, 255, 255, 0.2));
    transition: 0.3s;
}

.top-left-logo img:hover {
    filter: drop-shadow(0px 6px 8px rgba(0, 0, 0, 0.8)) drop-shadow(0px 0px 15px rgba(212, 175, 55, 0.5));
    transform: scale(1.05);
}

.logo-text {
    color: var(--primary-color);
    display: flex;
    flex-direction: column;
}
.logo-text .brand { font-weight: bold; font-size: 1.1rem; }
.logo-text .project { font-size: 0.85rem; color: var(--text-light); letter-spacing: 1px;}


/* Top Right Menu */
.top-right-menu {
    top: 20px;
    right: 20px;
    display: flex;
    gap: 10px;
}

.menu-btn {
    background: var(--bg-dark);
    border: 1px solid var(--glass-border);
    color: var(--text-light);
    padding: 10px 15px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.9rem;
    backdrop-filter: blur(5px);
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 8px;
}

.menu-btn:hover {
    background: var(--primary-color);
    color: #000;
}

.menu-btn.icon-only {
    padding: 10px 12px;
}

/* Right Floating Panel */
.right-floating-panel {
    top: 50%;
    right: 20px;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.float-btn {
    background: var(--bg-dark);
    border: 1px solid var(--glass-border);
    color: var(--primary-color);
    width: 45px;
    height: 45px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.1rem;
    backdrop-filter: blur(5px);
    transition: all 0.3s;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.float-btn:hover {
    background: var(--primary-color);
    color: #000;
}

/* Thumbnails */
.thumbnails-container {
    bottom: 80px; /* Above control bar */
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 15px;
    padding: 15px;
    background: var(--bg-darker);
    border-radius: 12px;
    border: 1px solid var(--glass-border);
    transition: opacity 0.3s, transform 0.3s;
    opacity: 0;
    pointer-events: none;
    max-width: 90vw;
    overflow-x: auto;
}

.thumbnails-container.show {
    opacity: 1;
    pointer-events: auto;
    transform: translateX(-50%) translateY(0);
}

.thumb-item {
    width: 120px;
    flex-shrink: 0;
    cursor: pointer;
    position: relative;
    border-radius: 6px;
    overflow: hidden;
    border: 2px solid transparent;
    transition: 0.3s;
}

.thumb-item img {
    width: 100%;
    height: 70px;
    object-fit: cover;
    display: block;
}

.thumb-item span {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    background: rgba(0,0,0,0.6);
    color: #fff;
    font-size: 0.7rem;
    padding: 4px;
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.thumb-item:hover, .thumb-item.active {
    border-color: var(--primary-color);
}


/* Bottom Control Bar */
.bottom-controls {
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--bg-dark);
    padding: 8px 15px;
    border-radius: 30px;
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(5px);
    display: flex;
    align-items: center;
    gap: 20px;
}

.control-group {
    display: flex;
    gap: 10px;
}

.center-group {
    border-left: 1px solid rgba(255,255,255,0.2);
    border-right: 1px solid rgba(255,255,255,0.2);
    padding: 0 15px;
}

.ctrl-btn {
    background: transparent;
    border: none;
    color: var(--text-light);
    font-size: 1.2rem;
    cursor: pointer;
    width: 35px;
    height: 35px;
    border-radius: 50%;
    transition: 0.3s;
    display: flex;
    justify-content: center;
    align-items: center;
}

.ctrl-btn:hover {
    color: var(--primary-color);
    background: rgba(255,255,255,0.1);
}

.ctrl-btn.main-action {
    width: auto;
    border-radius: 20px;
    padding: 0 15px;
    font-size: 1rem;
    gap: 8px;
    background: var(--primary-color);
    color: #000;
}
.ctrl-btn.main-action:hover {
    background: var(--primary-dark);
    color: #000;
}

/* Tooltips */
.tooltip:before {
    content: attr(data-title);
    position: absolute;
    right: 120%;
    top: 50%;
    transform: translateY(-50%);
    background: var(--bg-darker);
    color: var(--text-light);
    padding: 5px 10px;
    border-radius: 4px;
    font-size: 0.8rem;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: 0.3s;
    border: 1px solid var(--glass-border);
}
.tooltip:hover:before {
    opacity: 1;
}

/* Responsive */
@media (max-width: 768px) {
    .top-right-menu {
        top: 15px;
        right: 15px;
        flex-direction: row;
        gap: 5px;
    }
    .menu-btn {
        padding: 8px 12px;
        font-size: 0.85rem;
    }
    .menu-btn i {
        margin-right: 4px;
    }
    .top-left-logo {
        top: 15px;
        left: 15px;
        padding: 0;
    }
    .top-left-logo img {
        height: 35px;
    }
    .right-floating-panel {
        display: none; /* Hide on small screens or move elsewhere */
    }
    .bottom-controls {
        width: 95%;
        justify-content: space-between;
        padding: 5px 10px;
    }
    .ctrl-btn {
        font-size: 1rem;
        width: 30px;
        height: 30px;
    }
    .ctrl-btn.main-action {
        padding: 0 10px;
        font-size: 0.9rem;
    }
    .center-group {
        padding: 0 5px;
    }
}

/* Powered By Text */
.powered-by {
    position: absolute;
    bottom: 10px;
    left: 15px;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.75rem;
    z-index: 10;
    pointer-events: none;
    letter-spacing: 0.5px;
}

/* Popups */
.popup-overlay {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: 100;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    pointer-events: none;
    transition: 0.3s;
    backdrop-filter: blur(5px);
}

.popup-overlay.show {
    opacity: 1;
    pointer-events: auto;
}

.popup-content {
    background: var(--bg-darker);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    width: 90%;
    max-width: 800px; /* Wider for split layout */
    color: var(--text-light);
    position: relative;
    transform: translateY(-30px) scale(0.95);
    transition: 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: 0 15px 40px rgba(0,0,0,0.6);
    overflow: hidden;
}

.popup-overlay.show .popup-content {
    transform: translateY(0) scale(1);
}

.close-popup {
    position: absolute;
    top: 15px;
    right: 15px;
    background: rgba(0,0,0,0.5);
    border: none;
    color: var(--text-light);
    font-size: 1.2rem;
    cursor: pointer;
    transition: 0.3s;
    z-index: 10;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.close-popup:hover {
    color: #fff;
    background: var(--primary-color);
}

/* Split Layout for Info Popup */
.split-layout {
    display: flex;
    flex-wrap: wrap;
}

.popup-image {
    flex: 1;
    min-width: 300px;
    background-size: cover;
    background-position: center;
    position: relative;
}

.popup-image .image-overlay {
    position: absolute;
    bottom: 0; left: 0; width: 100%;
    padding: 30px 20px;
    background: linear-gradient(to top, rgba(0,0,0,0.9), transparent);
}

.image-overlay h3 {
    color: var(--primary-color);
    font-size: 1.6rem;
    margin-bottom: 5px;
}

.image-overlay p {
    font-size: 1rem;
    color: #ddd;
    letter-spacing: 1px;
}

.popup-text {
    flex: 1;
    min-width: 300px;
    padding: 40px 30px;
}

.popup-text h2 {
    color: var(--primary-color);
    font-size: 1.8rem;
    margin-bottom: 5px;
}

.demo-note {
    color: #ffcc00;
    font-style: italic;
    font-size: 0.85rem;
    margin-bottom: 15px;
    display: inline-block;
    background: rgba(255, 204, 0, 0.1);
    padding: 4px 10px;
    border-radius: 4px;
}

.popup-text .desc {
    line-height: 1.6;
    margin-bottom: 20px;
    font-size: 0.95rem;
    color: #ddd;
}

.feature-list {
    list-style: none;
    margin-bottom: 20px;
}

.feature-list li {
    margin-bottom: 12px;
    font-size: 0.95rem;
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.feature-list i {
    color: var(--primary-color);
    margin-top: 3px;
}

/* Modern Contact Layout */
.modern-contact {
    max-width: 600px;
    padding: 40px;
}

.contact-header {
    text-align: center;
    margin-bottom: 30px;
}

.contact-header h2 {
    color: var(--primary-color);
    font-size: 2rem;
    margin-bottom: 5px;
}

.contact-info-cards {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 30px;
}

.c-card {
    flex: 1;
    min-width: 200px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    padding: 20px;
    text-align: center;
    transition: 0.3s;
}

.c-card:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--primary-color);
}

.c-card.w-100 {
    flex: 100%;
}

.c-card .icon-wrap {
    width: 40px; height: 40px;
    background: rgba(212, 175, 55, 0.1);
    color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto 10px;
    font-size: 1.2rem;
}

.c-card h4 {
    font-size: 0.9rem;
    color: #aaa;
    margin-bottom: 5px;
}

.c-card p {
    font-size: 1rem;
    font-weight: bold;
}

/* Contact Form Demo */
.contact-form-demo {
    background: rgba(0,0,0,0.3);
    padding: 25px;
    border-radius: 12px;
    border: 1px solid var(--glass-border);
}

.contact-form-demo h4 {
    margin-bottom: 15px;
    color: var(--primary-color);
}

.contact-form-demo input {
    width: 100%;
    padding: 12px 15px;
    margin-bottom: 15px;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 6px;
    color: #fff;
    font-size: 0.95rem;
}

.contact-form-demo input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.action-btn {
    background: var(--primary-color);
    color: #000;
    border: none;
    padding: 12px 25px;
    border-radius: 30px;
    font-weight: bold;
    cursor: pointer;
    transition: 0.3s;
    width: 100%;
    font-size: 1rem;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
}

.action-btn:hover {
    background: var(--primary-dark);
}

.outline-btn {
    background: transparent;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
    width: auto;
    display: inline-flex;
}

.outline-btn:hover {
    background: var(--primary-color);
    color: #000;
}

.mt-3 {
    margin-top: 15px;
}

@media (max-width: 600px) {
    .modern-contact {
        padding: 25px;
    }
    .popup-text {
        padding: 25px;
    }
}

/* Hotspot Text */
.hotspot-label.clickable-hotspot {
    position: absolute;
    background: rgba(0,0,0,0.7);
    color: var(--primary-color);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    pointer-events: auto;
    cursor: pointer;
    z-index: 6;
    transform: translate(-50%, -50%);
    border: 1px solid var(--primary-color);
    opacity: 0.8;
    transition: 0.3s;
    font-weight: bold;
    box-shadow: 0 0 10px rgba(0,0,0,0.5);
    white-space: nowrap;
}
.hotspot-label.clickable-hotspot:hover {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1.1);
    background: var(--primary-color);
    color: #000;
}

/* Wide & Full Image Popups */
.wide-popup {
    max-width: 900px;
}
.full-image-popup {
    max-width: 95vw;
    width: 1200px;
    padding: 20px;
    max-height: 95vh;
    overflow-y: auto;
}

/* Floor Tabs */
.floor-tabs {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.floor-btn {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.2);
    color: var(--text-light);
    padding: 8px 15px;
    border-radius: 20px;
    cursor: pointer;
    transition: 0.3s;
    font-size: 0.9rem;
}

.floor-btn:hover {
    background: rgba(255,255,255,0.1);
    border-color: var(--primary-color);
}

.floor-btn.active {
    background: var(--primary-color);
    color: #000;
    border-color: var(--primary-color);
    font-weight: bold;
}

.floor-image-container {
    text-align: center;
    min-height: 300px;
}

/* Large Info Popup */
.large-popup {
    max-width: 1000px;
}
.large-popup .popup-image {
    min-width: 400px;
}

/* Horizontal Contact Layout */
.horizontal-contact {
    display: flex;
    max-width: 850px;
    padding: 0;
}

.horizontal-contact .close-popup {
    z-index: 20;
}

.contact-left {
    flex: 1;
    padding: 40px;
    background: rgba(255, 255, 255, 0.03);
}

.contact-right {
    flex: 1;
    padding: 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.contact-left .contact-header {
    text-align: left;
    margin-bottom: 25px;
}

.compact-cards {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-bottom: 0;
}

.horizontal-card {
    display: flex;
    align-items: center;
    text-align: left;
    padding: 15px;
    gap: 15px;
}

.horizontal-card .icon-wrap {
    margin: 0;
    flex-shrink: 0;
}

.contact-form-demo textarea {
    width: 100%;
    padding: 12px 15px;
    margin-bottom: 15px;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 6px;
    color: #fff;
    font-size: 0.95rem;
    font-family: inherit;
    resize: none;
}

.contact-form-demo textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

@media (max-width: 768px) {
    .horizontal-contact {
        flex-direction: column;
        max-height: 85vh;
        overflow-y: auto;
    }
    
    .horizontal-contact .contact-left,
    .horizontal-contact .contact-right {
        padding: 20px;
    }

    .contact-left .contact-header {
        margin-bottom: 15px;
        text-align: center;
    }

    .horizontal-card {
        padding: 10px;
        gap: 10px;
    }
    
    .horizontal-card .icon-wrap {
        width: 35px;
        height: 35px;
        font-size: 1rem;
    }

    .large-popup .popup-image {
        min-width: 100%;
        height: 200px;
    }
    
    .popup-text {
        padding: 20px;
    }

    .popup-content h2 {
        font-size: 1.3rem;
    }
}